PIER M
 
Progress In Electromagnetics Research M
ISSN: 1937-8726
Home | Search | Notification | Authors | Submission | PIERS Home | EM Academy
Home > Vol. 26 > pp. 157-171

EVALUATION OF THE FAR FIELD RADIATED BY LONG ANTENNAS DIRECTLY FROM DATA ACQUIRED THROUGH A FAST HELICOIDAL SCANNING

By F. D'Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi

Full Article PDF (288 KB)

Abstract:
A direct near-field - far-field transformation with helicoidal scanning for electrically long antennas is proposed in this paper. Such a transformation, which allows the evaluation of the antenna far field in any cut plane directly from the acquired near-field data without interpolating them, relies on the nonredundant sampling representation of electromagnetic fields and makes use of a prolate ellipsoidal modelling of the antenna under test for determining the number of helix turns, whereas the number of samples on each of them is fixed by the minimum cylinder rule, as in the classical cylindrical scan. Numerical and experimental tests assessing the effectiveness of the approach are shown.

Citation:
F. D'Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "Evaluation of the Far Field Radiated by Long Antennas Directly from Data Acquired through a Fast Helicoidal Scanning," Progress In Electromagnetics Research M, Vol. 26, 157-171, 2012.
doi:10.2528/PIERM12092007

References:
1. Bucci, O. M., C. Gennarelli, and C. Savarese, "Representation of electromagnetic fields over arbitrary surfaces by a finite and nonredundant number of samples," IEEE Trans. Antennas Propagat., Vol. 46, 351-359, March 1998.
doi:10.1109/8.662654

2. Bucci, O. M. and C. Gennarelli, "Application of nonredundant sampling representations of electromagnetic fields to NF-FF transformation techniques," Int. Jour. of Antennas and Propagat., Vol. 2012, Article ID 319856, 14 pages, 2012.

3. Bucci, O. M., C. Gennarelli, and C. Savarese, "Fast and accurate near-field far-field transformation by sampling interpolation of plane-polar measurements," IEEE Trans. Antennas Propagat., Vol. 39, 48-55, January 1991.
doi:10.1109/8.64434

4. Yaccarino, R. G., L. I. Williams, and Y. Rahmat-Samii, "Linear spiral sampling for the bipolar planar antenna measurement technique," IEEE Trans. Antennas Propagat。, Vol. 44, 1049-1051, July 1996.
doi:10.1109/8.504314

5. Bucci, O. M., C. Gennarelli, G. Riccio, and C. Savarese, "Nonredundant NF-FF transformation with helicoidal scanning," Journal of Electromagnetic Waves and Applications, Vol. 15, No. 11, 1507-1519, 2001.
doi:10.1163/156939301X00076

6. D'Agostino, F., C. Gennarelli, G. Riccio, and C. Savarese, "Theoretical foundations of near-field-far-field transformations with spiral scannings," Progress In Electromagnetics Research, Vol. 61, 193-214, 2006.
doi:10.2528/PIER06021401

7. D'Agostino, F., F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "The unified theory of near-field-far-field transformations with spiral scannings for nonspherical antennas," Progress In Electromagnetics Research B, Vol. 14, 449-477, 2009.
doi:10.2528/PIERB09031808

8. D'Agostino, F., F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "Near-field-far-field transformation technique with helicoidal scanning for elongated antennas," Progress In Electromagnetics Research B, Vol. 4, 249-261, 2008.
doi:10.2528/PIERB08011503

9. D'Agostino, F., F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "Laboratory tests assessing the effectiveness of the NF-FF transformation with helicoidal scanning for electrically long antennas," Progress In Electromagnetics Research, Vol. 98, 375-388, 2009.
doi:10.2528/PIER09092303

10. D'Agostino, F., F. Ferrara, J. A. Fordham, C. Gennarelli, R. Guerriero, M. Mi-gliozzi, G. Riccio, and C. Rizzo, "An effective near-field-far-field transformation technique for elongated antennas using a fast helicoidal scan," IEEE Antennas Propagat. Magazine, Vol. 51, 134-141, August 2009.
doi:10.1109/MAP.2009.5338700

11. Bucci, O. M., F. D'Agostino, C. Gennarelli, G. Riccio, C. Savarese, "Probe compensated FF reconstruction by NF planar spiral scanning," IEE Proc. --- Microw., Antennas Propagat., Vol. 149, 119-123, April 2002.

12. D'Agostino, F., F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "An effective NF-FF transformation technique with planar spiral scanning tailored for quasi-planar antennas," IEEE Trans. Antennas Propagat., Vol. 56, 2981-2987, September 2008.
doi:10.1109/TAP.2008.928786

13. Bucci, O. M., F. D'Agostino, C. Gennarelli, G. Riccio, and C. Savarese, "NF-FF transformation with spherical spiral scanning," IEEE Antennas Wireless Propagat. Lett。, Vol. 2, 263-266, 2003.
doi:10.1109/LAWP.2003.820710

14. D'Agostino, , F., F. Ferrara, C. Gennarelli, R. Guerriero, M. Migliozzi, and G. Riccio, "A nonredundant near-field to far-field transformation with spherical spiral scanning for nonspherical antennas," The Open Electrical & Electronic Eng. Jour., Vol. 3, 4-11, 2009.

15. D'Agostino, F., F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "Far-field reconstruction from a minimum number of spherical spiral data using effective antenna modellings," Progress In Electromagnetics Research B, Vol. 37, 43-58, 2012.
doi:10.2528/PIERB11072707

16. Costanzo, S. and G. Di Massa, "Far-field reconstruction from phaseless near-field data on a cylindrical helix," Journal of Electromagnetic Waves and Applications, Vol. 18, No. 8, 1057-1071, 2004.
doi:10.1163/1569393042955414

17. D'Agostino, F., F. Ferrara, C. Gennarelli, G. Riccio, and C. Savarese, "NF-FF transformation with cylindrical scanning from a minimum number of data," Microw. Opt. Technol. Lett., Vol. 35, 264-270, November 2002.

18. D'Agostino, F., F. Ferrara, C. Gennarelli, G. Gennarelli, R. Guerriero, and M. Migliozzi, "Antenna pattern reconstruction directly from nonredundant near-field measurements collected by a cylindrical facility," Progress In Electromagnetics Research M, Vol. 24, 235-249, 2012.

19. D'Agostino, F. , F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "An innovative direct NF-FF transformation technique with helicoidal scanning," Int. Jour. of Antennas and Propagat., Vol. 2012, Article ID 912948, 9 pages, 2012.

20. Leach, Jr., W. M. and D. T. Paris, "Probe compensated near-field measurements on a cylinder," IEEE Trans. Antennas Propagat., Vol. 21, 435-445, July 1973.

21. Bucci, O. M., G. D'Elia, and M. D. Migliore, "Advanced ¯eld interpolation from plane-polar samples: Experimental verification," IEEE Trans. Antennas Propagat., Vol. 46, 204-210, February 1998.
doi:10.1109/8.660964

22. Yaghjian, A. D., "Near-field antenna measurement on a cylindrical surface: A source scattering matrix formulation,", NBS Tech. note 696, U.S. Government Printing Office, Washington, DC,September 1977.

23. Bucci, O. M., F. D'Agostino, F. Ferrara, and C. Gennarelli, "Ellipsoidal source modellings for optimal far field interpolation," Microw. and Opt. Technol. Lett., Vol. 29, 181-185, May 2001.
doi:10.1002/mop.1122

24. D'Agostino, F., F. Ferrara, C. Gennarelli, R. Guerriero, and M. Migliozzi, "On the direct nonredundant near-field-far-field transformation in a cylindrical scanning geometry," IEEE Antennas Propagat. Magazine, Vol. 54, 130-138, February 2012.
doi:10.1109/MAP.2012.6202525

25. Yaghjian, A. D., "Approximate formulas for the far field and gain of open-ended rectangular waveguide," IEEE Trans. Antennas Propagat., Vol. 34, 378-384, April 1984.


© Copyright 2010 EMW Publishing. All Rights Reserved